The things we make have one supreme quality - they live longer than us. We perish, they survive; we have one life, they have many lives, and in each life they can mean different things. Which means that, while we all have one biography, they have many.
The distinction between a gallery and a museum is enormous. The gallery is about looking at a thing of beauty; the purpose of the activity is an aesthetic response. The museum is actually about the object that lets you get into somebody else's life.
Hardest of all for Europeans to negotiate are traditional African religions, whose transactions with unseen powers are central to the running of life in many areas, the main weapon in the struggle against the forces of evil.